Data Tells Part of the Story

I get labs done routinely during each treatment day. There’s a wealth of data in the lab results, especially over time. I download all the lab data, and I give it to my private Claude (AI) project to help me recognize trends, understand the compounding effects of chemotherapy on my body, and help me know which questions to bring up with my oncology team. Claude is a helpful tool, but it flags things based on standard reference ranges — not oncology context — so I always take its output with a grain of salt. I wait until my next appointment to bring up any concerns for discussion. The oncology team’s thresholds are very different. They are keeping an eye out for numbers that are out of range far beyond what AI is picking up. When on chemotherapy, there are a fair number of these values that are outside normal ranges, and it’s acceptable.

I say all of this to help you not panic over these results. Stay calm and carry on. I’ll let you know when it’s time to panic. :)

Labs Dashboard

A couple of notes about the numbers below:

  1. Glucose: The numbers are consistently high because I do not (nor have I been instructed to) fast for these labs.

  2. ANC: The oncology teams threshold to hold treatment is for ANC to be less than 1.5 ( change from 1, based on my reaction to the July 20 AC chemo).

  3. Platelets: the oncology team’s threshold to hold treatment is for platelets to be less than 100.

Fourteen-draw lab trends

Apr 13 · May 4 · May 11 · May 18 · May 26 · Jun 15 · Jun 22 · Jun 29 · Jul 6 · Jul 13 · Jul 20 · Jul 27 (nadir) · Aug 10, 2026 (Cycle 2 deferred)

Context added this week: Neulasta (a growth-factor shot) was added the day after the first AC infusion. The Jul 27 nadir was drawn 6 days post-Neulasta; side effects didn't show up until day 9. Your oncology team requires ANC ≥ 1.5 specifically before releasing chemo — a clinical treatment-day threshold, distinct from the lab's general reference floor of 1.85. That 1.5 target is the number to watch each cycle going forward.
✅ Strong recovery across all three cell lines from the Jul 27 nadir.
Platelets: 79 → 296 — fully back to a strong normal, one of the best platelet readings in the whole tracking period.
ANC: 0.24 → 1.38 — a nearly six-fold rebound.
WBC: 1.03 → 2.67. Hemoglobin: 9.6 → 10.3. Hematocrit: 28.2 → 30.4.
Your marrow clearly responded well to the two-week recovery window plus Neulasta support.

ANC at 1.38 — short of the team's 1.5 clearance target, which is why today was deferred

explains today

This isn't a setback so much as the recovery not quite catching up in time — 1.38 is real, substantial progress from 0.24 twelve days ago, just not over the specific line your team has set for treatment days. Given how hard the Jul 27 nadir hit, a cautious threshold after that cycle makes sense. Absolute lymphocytes (0.9) and monocytes (0.36) are now both back within normal range, reinforcing that the marrow recovery is broad, just not fully complete on the neutrophil side yet.

Tumor markers — treatment response
Test May 26 Jun 15 Jun 22 Jun 29 Jul 13 Jul 20 Jul 27 Aug 10 Reference
CA 15-3 32.4 33.7 38.4 36.3 36.2 36.5 29.6 pending — usually results a few days later ≤31.0 U/mL
CA 27.29 37.3 42.6 — 50.4 49.9 47.3 38.4 pending — usually results a few days later ≤39.0 U/mL

Not drawn on Aug 10 yet reflected here — will update this table as soon as those results land.

Blood counts (CBC)
Test May 26 Jun 15 Jun 22 Jun 29 Jul 6 Jul 13 Jul 20 Jul 27 Aug 10 ✦ Reference
WBC 2.84 3.89 4.49 3.52 2.0 2.94 2.66 1.03 2.67 ↑↑ 4.0–11.1 K/uL
Hemoglobin 10.9 11.0 10.9 10.4 10.2 10.2 10.5 9.6 10.3 ↑ 11.6–15.7 g/dL
Hematocrit 32.2 32.9 31.8 31.2 31.3 30.3 30.5 28.2 30.4 ↑ 35.0–47.0 %
RBC 3.41 3.49 3.41 3.26 3.18 3.09 3.17 2.92 3.15 ↑ 3.80–5.25 M/uL
Platelets 212 226 251 195 174 214 166 79 296 ↑↑↑ 140–410 K/uL
ANC 2.37 3.21 3.92 3.12 1.5 1.2 1.3 0.24 1.38 ↑↑↑ 1.85–7.60 K/uL (team requires ≥1.5 to treat)
Abs. Lymphocytes 0.44 0.59 0.52 0.36 0.38 1.51 1.09 0.71 0.90 ↑ 0.85–3.50 K/uL
Abs. Monocytes — — — — — 0.19 0.25 0.06 0.36 ↑↑ 0.20–0.90 K/uL
RDW 14.3 14.4 14.3 14.2 15.2 15.3 14.3 13.4 15.1 ↑ 11.5–15.2 %
Metabolic panel (CMP)
Test Jun 15 Jun 22 Jun 29 Jul 6 Jul 13 Jul 20 Jul 27 Aug 10 ✦ Reference
Glucose 126 124 164 148 97 86 not drawn 101 ↑ 70–100 mg/dL
ALT (liver) 9 12 20 24 13 12 not drawn 14 → 9–40 IU/L
Albumin 4.3 4.4 4.5 4.4 4.3 4.4 not drawn 4.4 → 3.5–5.2 g/dL
Creatinine 0.65 0.61 0.57 0.65 0.74 0.77 not drawn 0.70 → 0.50–1.20 mg/dL
Magnesium
Test Jun 29 Jul 6 Jul 13 Jul 20 Jul 27 Aug 10 ✦ Reference
Magnesium 1.8 1.9 2.0 1.9 1.8 2.0 → 1.8–2.3 mg/dL
Thyroid
Test Jun 22 Jun 29 Jul 6 Jul 13 Jul 20 Jul 27 Aug 10 ✦ Reference
TSH 0.45 0.61 0.51 1.36 1.51 1.19 1.95 → 0.60–5.40 uIU/mL
Free T4 1.1 — 1.1 not drawn not drawn not drawn not drawn (reflex not triggered) 0.9–1.5 ng/dL
Cortisol AM — all available readings
Test Mar 26 Apr 20 Jun 22 Jul 13 Jul 20 Aug 10 Reference
Cortisol AM 1.0 1.2 1.2 12.2 10.2 not drawn this week 6.0–18.4 ug/dL
Putting it together

The marrow is recovering well — just not quite on the clock the team needs

on track

Twelve days after the Jul 27 nadir, platelets are fully recovered and ANC has climbed nearly six-fold. This is a good, expected recovery curve — it's just landing a few tenths short of your team's 1.5 treatment threshold today. That's a reasonable, protective reason to defer rather than a sign anything is going wrong. Worth keeping an eye on whether ANC clears 1.5 within the next few days, since that's likely what determines when Cycle 2 gets rescheduled.

Glucose ticked up to 101 — first CMP in three weeks

minor

Only 1 point over the 100 ceiling, non-fasting. Given glucose was normal at the last two readings (97, 86), this is a minor blip rather than a resumption of the earlier high pattern — worth noting, not worth worrying about yet.

TSH normal for a fourth straight draw (1.95) — cortisol's last reading (Jul 20) was also normal. The endocrine recovery continues to hold.